Home / 1,345,896,020.40-2,018,844,030.60-528,035,002.80

Finding the Fourth Proportional to 1,345,896,020.40, 2,018,844,030.60 and 528,035,002.80

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Solution

The fourth proportional to 1,345,896,020.40, 2,018,844,030.60 and 528,035,002.80 is: 792,052,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,896,020.40 : 2,018,844,030.60 = 528,035,002.80 : x
  2. Step 2: Convert to fraction form
    1,345,896,020.40/2,018,844,030.60 = 528,035,002.80/x
  3. Step 3: Cross multiply
    1,345,896,020.40x = 2,018,844,030.60 × 528,035,002.80
  4. Step 4: Simplify right side
    1,345,896,020.40x = 1,066,020,313,350,634,240
  5. Step 5: Solve for x
    x = 1,066,020,313,350,634,240/1,345,896,020.40
  6. Step 6: Final answer
    x = 792,052,504.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.